Principales patrones de diseño utilizados

A. This Contractor shall be responsible for removal of all rubbish and trash created by the installation of the electrical systems and equipment from the job site. Contractor shall sweep clean all areas.

1.14 INSTRUCTIONS:

A. The Superintendent of the electrical work for this particular project shall spend all necessary time required to instruct the custodians of the building, together with representatives from the Maintenance Department, in the installation including all special controls and devices installed or connected under this contract.

1.15 POWER SHUTDOWNS:

A. Any power shutdown required for the completion of the electrical work shall be scheduled with the Town of Manchester at least ten working days in advance and shall be done at The Town of Manchester convenience.

1.17 SEISMIC:

A. Provide seismic restraining devices on all required items of electrical equipment in accordance with the 2018 Connecticut State Building Code.

END OF SECTION 26 00 00

SECTION 26 05 00 BASIC ELECTRICAL MATERIALS & METHODS PART 1 - GENERAL

1.1 RELATED DOCUMENTS:

A. The Bidding Requirements, Contract Forms and Conditions of the Contract, including General Conditions of the Contract for Construction, and Division 1 - General Requirements, apply to the work specified in this Section.

B. Section 260000, General Electrical, shall also govern the work under this Section.

C. This Section includes requirements that are binding on other Sections of Division 26.

1.2 SCOPE:

A. Scope of work consists of installation of materials to be furnished under this Section, and without limiting generality thereof consists of furnishing labor, materials, equipment, hoisting, plant, transportation, rigging, staging, appurtenances, and services necessary and/or incidental to properly complete all electrical work as shown on the drawings, as described in these specifications or as reasonably inferred from either as being required in opinion of the Town of Manchester.

B. Work Included: Provide complete electrical services where shown on the drawings, as specified herein and as needed for a complete and proper installation including but not necessarily limited to:

1. General

2. Conduits & Raceways 3. Identification

4. Wire and Cables 5. Wiring Devices

6. Outlet Boxes, Junction Boxes, Pull Boxes 7. Supporting Devices

8. Disconnect Switches 9. Grounding.

10. Circuit Breakers.

1.3 QUALITY ASSURANCE:

A. Refer to Section 260000.

1.4 SUBMITTALS:

A. Shop Drawings: Submit for all items listed in Paragraph 1.2.B.

PART 2 - PRODUCTS

2.1 GENERAL:

A. Provide only materials that are new and of type and quality specified, or approved equal. Where Underwriters’ Laboratories, Inc. has established standards for such materials, provide only materials bearing the UL label.

B. Provide materials and equipment necessary to make installation complete in every detail, and to conform to manufacturers’ latest installation instructions, under this contract whether or not specifically shown on drawings or specified herein.

2.2 TEMPORARY FACILITIES:

A. Refer to the requirements of Division 1 regarding temporary facilities.

B. Scaffolding and other temporary construction shall be rigidly built in accordance with Local and State requirements. Remove from premises upon completion of work.

C. Provide temporary construction required for electrical work as directed by the Town of Manchester.

2.3 RACEWAYS:

A. Electrical Metallic Tubing:

1. Shall be manufactured from high grade mild strip steel, shall be hot dipped galvanized, and shall be chromated and lacquered to form additional protective layer. EMT conduit shall conform to UL 797 and ANSI C80.3 and shall be as manufactured by Allied Tube and Conduit, or approved equal.

2. Connectors and couplings shall be galvanized steel set screw type. Provide gland compression type couplings and connectors for exposed work in wet locations.

3. Shall be used for all branch circuit wiring.

B. Flexible Steel Conduit:

1. Shall be manufactured from high grade strip steel and shall be hot dipped in a molten zinc bath. The steel strip shall be formed into interlocking convolutions that are continuously joined, metal to metal, assuring continuous grounding contact. Flexible steel conduit shall be UL listed and shall be as manufactured by AFC Cable Systems, or approved equal.

2. May be used in short lengths where EMT cannot be installed due to interferences and obstacles.

3. Provide for final connections to motor driven equipment or where subject to vibration.

C. Liquid tight Flexible Steel Conduit:

1. Shall be similar to flexible steel conduit, but with pressure-extruded moisture and oil-proof outer jacket of gray polyvinyl chloride plastic. Liquid tight flexible steel conduit shall be UL listed (UL 360) and shall be as manufactured by AFC Cable Systems, or approved equal.

2. Fittings, couplings and connectors shall be hot dipped galvanized and threaded, liquid tight type.

3. Provide where located outdoors or in damp or wet areas for final connections to motor driven equipment or where subject to vibration.

2.4 IDENTIFICATION:

A. Identify all junction boxes and pull boxes installed above ceilings and in unfinished spaces with branch circuit designations. Identification shall be done with black felt tip permanent marker in a neat and readily legible manner.

2.5 SAFETY SWITCHES:

A. Furnish and install disconnect switches where shown on the drawings.

2.6 CONDUCTORS:

A. All conductors shall be copper rated 600 volts, 90 deg. C., wet and dry locations, Type XHHW-2.

B. Grounding electrode conductors and bonding conductors shall be soft drawn copper, ASTM B3 solid bare copper for sizes smaller than #8AWG, ASTM B8 stranded bare copper for sizes

#8AWG and larger.

C. Minimum gauge conductors for power and lighting shall be #12 AWG. Increase to #10 AWG for runs exceeding 75'-0", and #8AWG for runs exceeding 150'-0".

D. Wire Size #8 AWG and larger shall be stranded. Wire of size smaller than #8 AWG shall be solid.

E. Wire and cable conductors shall be soft drawn copper with conductivity of not less than 98 percent of ANSI Standard for annealed copper. Aluminum conductors shall not be used.